Cita APA (7a ed.)

Baird, S. W. (1900). Graded work in arithmetic. Second book, numbers to 100. American Book Co.

Cita Chicago Style (17a ed.)

Baird, S. W. Graded Work in Arithmetic. Second Book, Numbers to 100. Nuew York-Cincinnati- Chicago: American Book Co, 1900.

Cita MLA (9a ed.)

Baird, S. W. Graded Work in Arithmetic. Second Book, Numbers to 100. American Book Co, 1900.